Investigation into transmission of complex sound signals in the human respiratory system |
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| Authors: | V. I. Korenbaum A. V. Nuzhdenko A. A. Tagiltsev A. E. Kostiv |
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| Affiliation: | (1) Physics Department, Royal Institute of Technology, Roslagstullsbacken 21, SE-10691 Stockholm, Sweden |
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| Abstract: | Lumen probing of human lungs with complex acoustic signals in the frequency band from 100 to 1000 Hz made it possible for the first time to explicitly confirm the concurrent existence of two mechanisms differing in propagation velocity behind the transmission of acoustic vibrations from the oral cavity to the thoracic cage surface. The numerical values of propagation time lags allowed one of these mechanisms to be associated with combined aerial-structural transmission and the other, with purely structural transmission. |
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